A major development has taken place in the search for the Boston Marathon bombers. The FBI on Thursday released several key pieces of evidence relating to the identity of what they are terming "suspects" instead of "people of interest."

The FBI released several photographs and a video from a surveillance camera of the potential suspects to the press:

Beyond the fact that the suspects are males between the ages of 20-35 little else is known about them. We must stress that no information about their race, specific age, whether they are US or foreign citizens, or other details is known.